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1 | /* |
2 | * Copyright (c) 2010, Wei Mingzhi <whistler@openoffice.org>. | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * Based on: Cdrom for Psemu Pro like Emulators | |
6 | * By: linuzappz <linuzappz@hotmail.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, see <http://www.gnu.org/licenses>. | |
20 | */ | |
21 | ||
22 | #include "cdr.h" | |
23 | ||
24 | #ifdef _MACOSX | |
25 | ||
26 | #include <IOKit/IOKitLib.h> | |
27 | #include <IOKit/IOBSD.h> | |
28 | #include <IOKit/storage/IOCDMedia.h> | |
29 | #include <IOKit/storage/IODVDMedia.h> | |
30 | #include <IOKit/storage/IOMedia.h> | |
31 | #include <IOKit/storage/IOCDMediaBSDClient.h> | |
32 | #include <CoreFoundation/CoreFoundation.h> | |
33 | ||
34 | int cdHandle = -1; | |
35 | char cdDevice[4096] = ""; | |
36 | ||
37 | static int IsPsxDisc(const char *dev) { | |
38 | int fd; | |
39 | char buf[CD_FRAMESIZE_RAW]; | |
40 | dk_cd_read_t r; | |
41 | ||
42 | fd = open(dev, O_RDONLY, 0); | |
43 | if (fd < 0) return 0; | |
44 | ||
45 | memset(&r, 0, sizeof(r)); | |
46 | ||
47 | r.offset = msf_to_lba(0, 2, 4) * CD_FRAMESIZE_RAW; | |
48 | r.sectorArea = 0xF8; | |
49 | r.sectorType = kCDSectorTypeUnknown; | |
50 | r.bufferLength = CD_FRAMESIZE_RAW; | |
51 | r.buffer = buf; | |
52 | ||
53 | if (ioctl(fd, DKIOCCDREAD, &r) != kIOReturnSuccess) { | |
54 | close(fd); | |
55 | return 0; | |
56 | } | |
57 | ||
58 | close(fd); | |
59 | ||
60 | if (strncmp(buf + 56, "Sony Computer Entertainment", 27) == 0) { | |
61 | return 1; | |
62 | } | |
63 | ||
64 | return 0; | |
65 | } | |
66 | ||
67 | static void FindCdDevice(char *dev) { | |
68 | io_object_t next_media; | |
69 | kern_return_t kern_result; | |
70 | io_iterator_t media_iterator; | |
71 | CFMutableDictionaryRef classes_to_match; | |
72 | const char *name, *cd = kIOCDMediaClass, *dvd = kIODVDMediaClass; | |
73 | ||
74 | dev[0] = '\0'; | |
75 | name = cd; | |
76 | ||
77 | start: | |
78 | classes_to_match = IOServiceMatching(name); | |
79 | if (classes_to_match == NULL) goto end; | |
80 | ||
81 | CFDictionarySetValue(classes_to_match, CFSTR(kIOMediaEjectableKey), | |
82 | kCFBooleanTrue); | |
83 | ||
84 | kern_result = IOServiceGetMatchingServices(kIOMasterPortDefault, | |
85 | classes_to_match, &media_iterator); | |
86 | ||
87 | if (kern_result != KERN_SUCCESS) goto end; | |
88 | ||
89 | next_media = IOIteratorNext(media_iterator); | |
90 | if (next_media != 0) { | |
91 | char psz_buf[0x32]; | |
92 | size_t dev_path_length; | |
93 | CFTypeRef str_bsd_path; | |
94 | ||
95 | do { | |
96 | str_bsd_path = IORegistryEntryCreateCFProperty(next_media, | |
97 | CFSTR(kIOBSDNameKey), kCFAllocatorDefault, 0); | |
98 | ||
99 | if (str_bsd_path == NULL) { | |
100 | IOObjectRelease(next_media); | |
101 | continue; | |
102 | } | |
103 | ||
104 | strcpy(psz_buf, "/dev/r"); | |
105 | dev_path_length = strlen(psz_buf); | |
106 | ||
107 | if (CFStringGetCString(str_bsd_path, (char *)&psz_buf + dev_path_length, | |
108 | sizeof(psz_buf) - dev_path_length, kCFStringEncodingASCII)) | |
109 | { | |
110 | strcpy(dev, psz_buf); | |
111 | ||
112 | if (IsPsxDisc(dev)) { | |
113 | CFRelease(str_bsd_path); | |
114 | IOObjectRelease(next_media); | |
115 | IOObjectRelease(media_iterator); | |
116 | return; | |
117 | } | |
118 | } | |
119 | ||
120 | CFRelease(str_bsd_path); | |
121 | IOObjectRelease(next_media); | |
122 | } while ((next_media = IOIteratorNext(media_iterator)) != 0); | |
123 | } | |
124 | ||
125 | IOObjectRelease(media_iterator); | |
126 | ||
127 | end: | |
128 | if (dev[0] == '\0') { | |
129 | if (name == cd) { | |
130 | name = dvd; // Is this really necessary or correct? Dunno... | |
131 | goto start; | |
132 | } | |
133 | } | |
134 | } | |
135 | ||
136 | int OpenCdHandle(const char *dev) { | |
137 | if (dev != NULL && dev[0] != '\0') strcpy(cdDevice, dev); | |
138 | else if (cdDevice[0] == '\0') FindCdDevice(cdDevice); | |
139 | ||
140 | cdHandle = open(cdDevice, O_RDONLY, 0); | |
141 | if (cdHandle < 0) return -1; | |
142 | ||
143 | if (CdrSpeed > 0) { | |
144 | u_int16_t speed = kCDSpeedMin * CdrSpeed; | |
145 | ioctl(cdHandle, DKIOCCDSETSPEED, &speed); | |
146 | } | |
147 | ||
148 | return 0; | |
149 | } | |
150 | ||
151 | void CloseCdHandle() { | |
152 | if (cdHandle != -1) close(cdHandle); | |
153 | cdHandle = -1; | |
154 | } | |
155 | ||
156 | int IsCdHandleOpen() { | |
157 | return 1; | |
158 | } | |
159 | ||
160 | long GetTN(unsigned char *buffer) { | |
161 | if (cdHandle < 0) return -1; | |
162 | ||
163 | // TODO | |
164 | buffer[0] = 1; | |
165 | buffer[1] = 1; | |
166 | ||
167 | return 0; | |
168 | } | |
169 | ||
170 | long GetTD(unsigned char track, unsigned char *buffer) { | |
171 | if (cdHandle < 0) return -1; | |
172 | ||
173 | // TODO | |
174 | memset(buffer + 1, 0, 3); | |
175 | return 0; | |
176 | } | |
177 | ||
178 | long GetTE(unsigned char track, unsigned char *m, unsigned char *s, unsigned char *f) { | |
179 | return -1; // TODO | |
180 | } | |
181 | ||
182 | long ReadSector(crdata *cr) { | |
183 | int lba; | |
184 | dk_cd_read_t r; | |
185 | ||
186 | if (cdHandle < 0) return -1; | |
187 | ||
188 | lba = msf_to_lba(cr->msf.cdmsf_min0, cr->msf.cdmsf_sec0, cr->msf.cdmsf_frame0); | |
189 | ||
190 | memset(&r, 0, sizeof(r)); | |
191 | ||
192 | r.offset = lba * CD_FRAMESIZE_RAW; | |
193 | r.sectorArea = 0xF8; | |
194 | r.sectorType = kCDSectorTypeUnknown; | |
195 | r.bufferLength = CD_FRAMESIZE_RAW; | |
196 | r.buffer = cr->buf; | |
197 | ||
198 | if (ioctl(cdHandle, DKIOCCDREAD, &r) != kIOReturnSuccess) { | |
199 | return -1; | |
200 | } | |
201 | ||
202 | return 0; | |
203 | } | |
204 | ||
205 | long PlayCDDA(unsigned char *sector) { | |
206 | return 0; // TODO | |
207 | } | |
208 | ||
209 | long StopCDDA() { | |
210 | return 0; // TODO | |
211 | } | |
212 | ||
213 | long GetStatus(int playing, struct CdrStat *stat) { | |
214 | memset(stat, 0, sizeof(struct CdrStat)); | |
215 | stat->Type = 0x01; | |
216 | ||
217 | // Close and reopen the CD handle. If opening failed, | |
218 | // then there is no CD in drive. | |
219 | // Note that this WILL be screwed if user inserted another | |
220 | // removable device such as USB stick when tray is open. | |
221 | // There may be a better way, but this should do the job. | |
222 | if (cdHandle >= 0) { | |
223 | close(cdHandle); | |
224 | cdHandle = -1; | |
225 | } | |
226 | ||
227 | cdHandle = open(cdDevice, O_RDONLY, 0); | |
228 | if (cdHandle < 0) { | |
229 | // No CD in drive | |
230 | stat->Type = 0xff; | |
231 | stat->Status |= 0x10; | |
232 | } else { | |
233 | if (CdrSpeed > 0) { | |
234 | u_int16_t speed = kCDSpeedMin * CdrSpeed; | |
235 | ioctl(cdHandle, DKIOCCDSETSPEED, &speed); | |
236 | } | |
237 | } | |
238 | ||
239 | return 0; | |
240 | } | |
241 | ||
242 | unsigned char *ReadSub(const unsigned char *time) { | |
243 | return NULL; // TODO | |
244 | } | |
245 | ||
246 | char *CDRgetDriveLetter(void) { | |
247 | return cdDevice; | |
248 | } | |
249 | ||
250 | #endif |